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V820 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of V820

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DIN V820

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This page is mainly introduced the V820 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of V820,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
V820 Nitriding steel

DESCRIPTION

Chromium, Nickel, Aluminium steel for applications requiring very high surface hardness and wear resistance, in particular in large cross sections, in the hardened and tempered condition

APPLICATIONS

Cam discs, Cams, Pinion shafts, Measuring tools. Injection pump parts, Valve spools and Gudgeon pins.

Steel Garde:V820
Type:Stainless Steels
Country:Germany
Standard:DIN

Standard Number:

ITEM	Standard Number	Descriptions
1	DIN EN 10085	Al-alloyed nitriding steel grade for large cross-sections. Suitable for piston rods, extruders, cylinders, gear wheels,

Application:Al-alloyed nitriding steel grade for large cross-sections. Suitable for piston rods, extruders, cylinders, gear wheels,

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
34CrAlNi7	DIN	Germany
1.8550	DIN	Germany

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.30	0.37
Si		0.40
Mn	0.40	0.70
P		0.025
S		0.035
Al	0.80	1.20
Cr	1.50	1.80
Mo	0.15	0.25
Ni	0.85	1.15

Mechanical Properties

Tensile strength	888～693	σb/MPa
Yield Strength	002	σ 0.2 ≥/MPa
Elongation	91	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	117～884	-
HRC	30	-

Physical Properties

Thermal expansion	09-16	e-6/K
Thermal conductivity	43-11	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4499-8650	째C
Density	9384-6439	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
V820 Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk